Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Heidi Marie Clark, D.O.

Family Medicine Physician in Tunkhannock, PA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1255321386

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Registry record

Entity type Individual (Type 1)

Name Dr. Heidi Marie Clark

Credential D.O.

Sex Female

Practice address 10 Trieble Dr, Tunkhannock, PA, 18657

Phone (570) 996-2700

Fax (570) 996-2711

Enumeration date Oct 28, 2005

Last updated in NPPES Aug 13, 2020

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License OS012488 (PA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
1027140510001	Medicaid	PA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Heidi Clark?

Heidi Clark is registered in NPPES with the primary taxonomy of Family Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-13.